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adrouae 22（1941），144 ff，and&l;un ont décisif de l&r;histoire du sud-est européen：la croisade de varna&r;，balcania 7（1944），102 ffa full aount of the dispute is given by fbabr，&l;von aurath zu aurathvor-und nachspiel der schlacht bei varna&r;，oriens 3（1950），229 ffcfal ide，hd der eroberer und see zeit，unich 1953，28 ff

[260]cfzakythos，despotat 1，235，with references to the urces

[261]a detailed aount of the life of this epress is given by danastasijevic&l;jeda vizantijska carica srpkja&r;（the only byzante epress of serbian orig），brastvo 30（1939），26 ffcfal ibid31（1950），78 ff，and 32（1941），50 ff射 was the daughter of the&l;lord&r;nstante dragas，who the last decades of the foruteenth century ruled eastern acedonia，first with his brother，the despot john dragas，and then as le ruler，and who fell 1395 at the battle of rove（cfp551 above，with n2）that only nstante Ⅺ and not his brother bore the na dragas is probably expned by the fact that he bore his grandfather&r;s christian na

[262]ducas 329，11，edgrecu（cb，264）。

[263]cfnorden，papsttu und byzanz 731 ff；frcerone，&l;la politica orientale di alfon di aragona&r;，archivio stori per le provcie napoletane 27（1902），3 ff，380 ff，555 ff，774 ff，and 28（1903），153 ff；carescu，&l;le pape nilas 5 et n attitude envers l&r;epire byzant&r;，bullde l&r;starchéolbulgare 9（1935），331 ff；ide，&l;ntribution à l&r;histoire des relationsénoies entre l&r;epire byzant，la sicile et le royau de naples de 1419 &